diff options
Diffstat (limited to 'JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-105972.js')
-rw-r--r-- | JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-105972.js | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-105972.js b/JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-105972.js new file mode 100644 index 0000000..9f0cdb5 --- /dev/null +++ b/JavaScriptCore/tests/mozilla/ecma_3/RegExp/regress-105972.js @@ -0,0 +1,136 @@ +/* +* The contents of this file are subject to the Netscape Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/NPL/ +* +* Software distributed under the License is distributed on an "AS IS" +* basis, WITHOUT WARRANTY OF ANY KIND, either expressed +* or implied. See the License for the specific language governing +* rights and limitations under the License. +* +* The Original Code is mozilla.org code. +* +* The Initial Developer of the Original Code is Netscape +* Communications Corporation. Portions created by Netscape are +* Copyright (C) 1998 Netscape Communications Corporation. +* All Rights Reserved. +* +* Contributor(s): mozilla@pdavis.cx, pschwartau@netscape.com +* Date: 22 October 2001 +* +* SUMMARY: Regression test for Bugzilla bug 105972: +* "/^.*?$/ will not match anything" +* +* See http://bugzilla.mozilla.org/show_bug.cgi?id=105972 +*/ +//----------------------------------------------------------------------------- +var i = 0; +var bug = 105972; +var summary = 'Regression test for Bugzilla bug 105972'; +var cnEmptyString = ''; +var status = ''; +var statusmessages = new Array(); +var pattern = ''; +var patterns = new Array(); +var string = ''; +var strings = new Array(); +var actualmatch = ''; +var actualmatches = new Array(); +var expectedmatch = ''; +var expectedmatches = new Array(); + + +/* + * The bug: this match was coming up null in Rhino and SpiderMonkey. + * It should match the whole string. The reason: + * + * The * operator is greedy, but *? is non-greedy: it will stop + * at the simplest match it can find. But the pattern here asks us + * to match till the end of the string. So the simplest match must + * go all the way out to the end, and *? has no choice but to do it. + */ +status = inSection(1); +pattern = /^.*?$/; +string = 'Hello World'; +actualmatch = string.match(pattern); +expectedmatch = Array(string); +addThis(); + + +/* + * Leave off the '$' condition - here we expect the empty string. + * Unlike the above pattern, we don't have to match till the end of + * the string, so the non-greedy operator *? doesn't try to... + */ +status = inSection(2); +pattern = /^.*?/; +string = 'Hello World'; +actualmatch = string.match(pattern); +expectedmatch = Array(cnEmptyString); +addThis(); + + +/* + * Try '$' combined with an 'or' operator. + * + * The operator *? will consume the string from left to right, + * attempting to satisfy the condition (:|$). When it hits ':', + * the match will stop because the operator *? is non-greedy. + * + * The submatch $1 = (:|$) will contain the ':' + */ +status = inSection(3); +pattern = /^.*?(:|$)/; +string = 'Hello: World'; +actualmatch = string.match(pattern); +expectedmatch = Array('Hello:', ':'); +addThis(); + + +/* + * Again, '$' combined with an 'or' operator. + * + * The operator * will consume the string from left to right, + * attempting to satisfy the condition (:|$). When it hits ':', + * the match will not stop since * is greedy. The match will + * continue until it hits $, the end-of-string boundary. + * + * The submatch $1 = (:|$) will contain the empty string + * conceived to exist at the end-of-string boundary. + */ +status = inSection(4); +pattern = /^.*(:|$)/; +string = 'Hello: World'; +actualmatch = string.match(pattern); +expectedmatch = Array(string, cnEmptyString); +addThis(); + + + + +//----------------------------------------------------------------------------- +test(); +//----------------------------------------------------------------------------- + + + +function addThis() +{ + statusmessages[i] = status; + patterns[i] = pattern; + strings[i] = string; + actualmatches[i] = actualmatch; + expectedmatches[i] = expectedmatch; + i++; +} + + +function test() +{ + enterFunc ('test'); + printBugNumber (bug); + printStatus (summary); + testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches); + exitFunc ('test'); +} |